한국초전도ㆍ저온공학회논문지 (Progress in Superconductivity and Cryogenics)

  • 제13권3호
  • /
  • Pages.36-41
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  • 2011
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  • 1229-3008(pISSN)
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  • 2287-6251(eISSN)
한국초전도저온학회 (The Korean Society of Superconductivity and Cryogenics)
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상용 헬륨압축기를 이용한 네온 냉각 시스템의 냉각특성 실험

Cooling performance test of neon refrigeration system using commercial helium compressor

  • 투고 : 2011.07.28
  • 심사 : 2011.09.07
  • 발행 : 2011.09.30
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초록

This paper describes experimental investigation on neon refrigeration system using commercial helium compressor. In this paper, neon refrigeration cycle is calculated with assumption of ideal heat exchanger. From analysis, 32.6 K of the lowest temperature and 0.945 of quality after expansion are predicted. Cryogenic heat exchangers for pre cooler and main heat exchanger are designed and fabricated with configuration of tube-in-tube heat exchanger. In experiments, cooling performance test are performed as variation of charging pressure and orifice hole diameter. From experimental results, the lowest temperature of 44.0 K was measured with 500 ${\mu}m$ orifice and 1500 kPa of charging pressure.

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참고문헌

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